TABLE 3.
Patient and EMS Characteristics: Transported Blunt Traumatic Injury
| Alabama | Dallas | Iowa | Ottawa-OPALS | Pittsburgh | Portland | Seattle–King County | Toronto | Vancouver | ROC Total | |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 311 | 477 | 292 | 463 | 287 | 263 | 1049 | 1400 | 275 | 4818 |
| Age, median (IQR) | 35 (26) | 35 (27) | 41 (43) | 37 (39) | 35 (35) | 38 (31) | 38 (36) | 45 (49) | 37 (26) | 39 (36) |
| Gender: % male | 70.1 | 71.3 | 62.0 | 65.2 | 54.7 | 71.1 | 63.5 | 58.1 | 70.2 | 63.4 |
| Injury mechanism | ||||||||||
| Motorvehicle occupant | 66.2% | 40.9% | 20.2% | 24.0% | 34.5% | 17.1% | 27.1% | 13.8% | 39.6% | 27.0% |
| Motorcyclist | 6.8% | 4.2% | 2.7% | 4.8% | 4.5% | 4.9% | 4.6% | 1.9% | 9.8% | 4.2% |
| Pedestrian | 7.4% | 8.4% | 4.8% | 9.7% | 7.7% | 11.0% | 8.2% | 5.2% | 21.1% | 8.1% |
| Fall | 9.3% | 30.2% | 49.7% | 41.7% | 35.9% | 42.2% | 44.3% | 56.2% | 15.3% | 41.9% |
| Other blunt mechanism | 9.0% | 14.3% | 19.5% | 19.2% | 16.4% | 19.0% | 13.5% | 2.9% | 12.0% | 11.5% |
| Field characteristics | ||||||||||
| SBP ≤90 | 31.5% | 39.2% | 21.6% | 35.0% | 53.0% | 14.4% | 39.6% | 52.4% | 41.1% | 40.7% |
| RR <10 or >29 | 24.4% | 18.4% | 42.5% | 24.8% | 30.3% | 27.4% | 31.3% | 19.4% | 49.1% | 26.9% |
| Advanced airway | 19.6% | 13.0% | 5.5% | 16.2% | 10.5% | 23.2% | 31.3% | 3.3% | 45.5% | 16.7% |
| GCS ≤12 | 82.6% | 74.2% | 50.7% | 64.6% | 43.6% | 82.5% | 40.6% | 45.6% | 82.9% | 55.9% |
| Transport type | ||||||||||
| Ground | 73.3% | 96.2% | 100.0% | 97.6% | 80.8% | 94.7% | 94.9% | 98.3% | 86.2% | 93.8% |
| Air | 26.7% | 3.8% | 0.0% | 2.4% | 19.2% | 5.3% | 5.1% | 1.7% | 13.8% | 6.2% |
| Advanced airway | ||||||||||
| Oral/nasal ET | 21.2% | 12.2% | 6.5% | 18.8% | 15.3% | 24.3% | 31.8% | 3.2% | 46.9% | 17.5% |
| Cricothyrotomy | 0.0% | 0.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Other | 0.3% | 2.7% | 3.1% | 0.4% | 9.1% | 19.0% | 19.5% | 0.3% | 1.1% | 6.5% |
| None | 78.5% | 85.5% | 92.5% | 81.4% | 83.6% | 75.3% | 67.9% | 96.6% | 52.7% | 81.9% |
| Paralyzed/sedated | 4.8% | 0.2% | 1.4% | 0.2% | 4.2% | 9.5% | 10.4% | 0.2% | 24.0% | 4.9% |
| Hemorrhage control | 17.0% | 3.6% | 13.0% | 14.7% | 4.2% | 1.5% | 11.9% | 9.6% | 16.0% | 10.3% |
EMS indicates emergency medical service; IQR, interquartile range; SBP, systolic blood pressure; RR, respiratory rate; GCS, Glasgow Coma Score; ET, endotracheal tube.